<template>
  <!-- 使用搜索组件 -->
  <my-search @click="gotoSearch()"></my-search>
  <view class="scroll-view-container">
    <!-- 左边滚动区域 -->
    <scroll-view scroll-y="true" :style="{height: wh + 'px'}" class="left-scroll-view">
      <block v-for="(item ,i ) in cateList" :key="i">
        <view :class="['left-scroll-view-item' ,i===active? 'active' : '']" @click="activeChange(i)">{{item.cat_name}}
        </view>
      </block>
    </scroll-view>

    <!-- 右边滚动区域 -->
    <scroll-view scroll-y="true" :style="{height:wh+'px'}" :scroll-top="scollTop">
      <view class="cate-lv2" v-for="(item2 ,i2) in cateListl2" :key="i2">
        <!-- 二级标题 -->
        <view class="cate-lv2-title">##{{item2.cat_name}}##</view>
        <!-- 三级item的照片 -->
        <view class="cate-lv3-list">
          <view class="cate-lv3-item" v-for="(item3,i3) in item2.children" :key="i3" @click="gotoGoodsList(item3)">
            <!-- 三级分类的图片和文本 -->
            <!-- <image :src="item3.cat_icon"></image> -->
            <image :src="item3.cat_icon.replace('api-ugo-dev','api-hmugo-web')"></image>
            <text>{{item3.cat_name}}</text>
          </view>
        </view>

      </view>
    </scroll-view>
  </view>

</template>

<script>
  import {
    mapGetters
  } from 'vuex';
  import badgeMix from '@/mixins/tabbar-bage.js'
  export default {
    mixins:[badgeMix],
    computed: {
      ...mapGetters('m_cart', ['total']), // 确保命名空间和状态正确
    },
    data() {
      return {
        //当前设备可用的高度
        wh: 0,
        //分类列表数据
        cateList: [],
        active: 0,
        // 二级分类列表
        cateListl2: [],
        //控制滚动条
        scollTop: 0
      }
    },

    onLoad() {
      const sysInfo = uni.getSystemInfoSync()
      this.wh = sysInfo.windowHeight - 50
      this.getCateList()
    },
    methods: {

      async getCateList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/categories')
        if (res.meta.status !== 200) return uni.$showMsg()
        this.cateList = res.message

        // 为二级分类赋值
        this.cateListl2 = res.message[0].children
        // console.log(this.cateListl2)
      },
      activeChange(i) {
        this.active = i
        this.scollTop = this.scollTop === 0 ? 1 : 0
        // 重新为二级分类赋值

        this.cateListl2 = this.cateList[i].children
      },
      gotoGoodsList(item3) {
        uni.navigateTo({
          url: "/subpkg/goods_list/goods_list?cid=" + item3.cat_id
        })
      },
      //切换搜索界面
      gotoSearch() {
        uni.navigateTo({
          url: "/subpkg/search/search"
        })
      },
    }
  }
</script>


<style lang="scss">
  .scroll-view-container {
    .cate-lv2-title {
      font-size: 12px;
      font-weight: bold;
      text-align: center;
      padding: 15px 0;
    }

    .cate-lv3-list {
      display: flex;

      .cate-lv3-item {
        image {}

        text {}
      }
    }

    display: flex;

    .left-scroll-view {
      width: 120px;

      .left-scroll-view-item {
        background-color: #f7f7f7;
        line-height: 60px;
        text-align: center;
        font-size: 12px;

        &.active {
          background-color: #ffffff;
          position: relative;

          &::before {
            content: ' ';
            display: block;
            width: 3px;
            height: 30px;
            background-color: #C00000;
            position: absolute;
            top: 50%;
            left: 0;
            transform: translateY(-50%);
          }
        }
      }
    }

    .cate-lv3-list {
      display: flex;
      flex-wrap: wrap;

      .cate-lv3-item {
        display: flex;
        flex-direction: column;
        width: 33.3%;
        justify-content: center;
        align-items: center;
        margin-bottom: 10px;

        image {
          width: 60px;
          height: 60px;
        }

        text {
          font-size: 12px;
        }
      }
    }

  }

  .cate-lv2 {
    background-color: #ffffff;
  }
</style>